Final answer:
The exclusive legislative authority of the provinces and territories under the Constitution Act of 1867 does not include telecommunications, immigration, trade and commerce, or national defense, as these matters fall under federal jurisdiction.
Step-by-step explanation:
Under the Constitution Act of 1867, the exclusive legislative authority of the provinces and territories exists over a variety of matters, delineating the powers between the federal government and the provinces. This question seems to be asking about the specific areas of jurisdiction exclusively held by the provincial and territorial governments as outlined in the Constitution Act of 1867, which was formerly known as the British North America Act, 1867.
The answer to this question is not explicitly listed in the provided information, but according to the Constitution Act, areas such as education, hospitals, property and civil rights, and matters of a local or private nature in the province fall under provincial jurisdiction. Specific categories like telecommunications, immigration, trade and commerce, and national defense are primarily the responsibility of the federal government. Therefore, none of the options a) telecommunications, b) immigration, c) trade and commerce, and d) national defense are exclusively in the legislative authority of the provinces. Rather, these fall under the federal jurisdiction.